gdb_server: check target examined while combining reg list
Commit6541233aa7
("Combine register lists of smp targets.") assumes that all the targets in the SMP cluster are already examined and unconditionally call target_get_gdb_reg_list_noread() that will in turn return error if the target is not examined yet. Skip targets not examined yet. Add an additional check in case the register list cannot be built, e.g. because no target in the SMP cluster is examined. This should never happen, but it's better to play safe. Change-Id: I8609815c3d5144790fb05a870cb0c931540aef8a Fixes:6541233aa7
("Combine register lists of smp targets.") Reported-by: Michele Bisogno <michele.bisogno.ct@renesas.com> Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com> Reviewed-on: https://review.openocd.org/c/openocd/+/6853 Tested-by: jenkins Reviewed-by: Michele Bisogno <michele.bisogno.ct@renesas.com> Reviewed-by: Tim Newsome <tim@sifive.com>
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@ -2281,6 +2281,9 @@ static int smp_reg_list_noread(struct target *target,
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struct target_list *head;
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foreach_smp_target(head, target->smp_targets) {
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if (!target_was_examined(head->target))
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continue;
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struct reg **reg_list = NULL;
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int reg_list_size;
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int result = target_get_gdb_reg_list_noread(head->target, ®_list,
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@ -2329,8 +2332,17 @@ static int smp_reg_list_noread(struct target *target,
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free(reg_list);
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}
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if (local_list_size == 0) {
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LOG_ERROR("Unable to get register list");
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free(local_list);
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return ERROR_FAIL;
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}
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/* Now warn the user about any registers that weren't found in every target. */
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foreach_smp_target(head, target->smp_targets) {
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if (!target_was_examined(head->target))
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continue;
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struct reg **reg_list = NULL;
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int reg_list_size;
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int result = target_get_gdb_reg_list_noread(head->target, ®_list,
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